US6702309B2 - Rear suspension for vehicles - Google Patents
Rear suspension for vehicles Download PDFInfo
- Publication number
- US6702309B2 US6702309B2 US10/087,394 US8739402A US6702309B2 US 6702309 B2 US6702309 B2 US 6702309B2 US 8739402 A US8739402 A US 8739402A US 6702309 B2 US6702309 B2 US 6702309B2
- Authority
- US
- United States
- Prior art keywords
- trailing arm
- suspension
- side member
- floor side
- bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related, expires
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/051—Trailing arm twist beam axles
- B60G21/052—Mounting means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/20—Semi-rigid axle suspensions
- B60G2200/21—Trailing arms connected by a torsional beam, i.e. twist-beam axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/14—Mounting of suspension arms
- B60G2204/143—Mounting of suspension arms on the vehicle body or chassis
- B60G2204/1434—Mounting of suspension arms on the vehicle body or chassis in twist-beam axles arrangement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/43—Fittings, brackets or knuckles
- B60G2204/4302—Fittings, brackets or knuckles for fixing suspension arm on the vehicle body or chassis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/60—Subframe construction
- B60G2206/601—Hanger bracket
Definitions
- the present invention relates, in general, to rear suspensions for vehicles and, more particularly, to a rear suspension for vehicles designed to distribute load applied to the junction of a trailing arm bracket and a rear floor side member, thus preventing the junction from cracking.
- a suspension system for vehicles absorbs vibration and impact transmitted from the wheels to the chassis during a movement of a vehicle, thus preventing damage to the chassis and freight caused by the vibration and impact, in addition to allowing passengers to feel comfortable.
- the suspension system includes a front suspension and a rear suspension.
- FIG. 1 shows a conventional rear suspension using a torsion beam axle.
- the conventional rear suspension comprises a trailing arm bracket 100 , which is assembled with a torsion beam axle and is mounted to a rear floor side member 104 through a trailing arm mounting bracket 102 (FIG. 2 ).
- the conventional rear suspension uses both the trailing arm bracket 100 and the trailing arm mounting bracket 102 for assembling the torsion beam axle to the rear floor side member 104 .
- FIG. 2 The structure for assembling the torsion beam axle to the rear floor side member 104 in the rear suspension is shown in detail in the sectional view of FIG. 2 .
- a part of the rear floor side member 104 is closely interposed between the trailing arm bracket 100 and the trailing arm mounting bracket 102 .
- a plurality of bolts 108 penetrating the trailing arm bracket 100 and the rear floor side member 104 , are tightened to nuts 106 welded to the trailing arm mounting bracket 102 .
- the reference numerals 110 and 112 denote a rear floor panel and a side seal inner panel, respectively.
- the conventional rear suspension having the above-mentioned structure has an inferior structural strength, and so it is reduced in its durability. That is, the conventional rear suspension may easily crack at the junction of the trailing arm bracket 100 , the trailing arm mounting bracket 102 and the rear floor side member 104 .
- the present invention provides a rear suspension for vehicles, which is improved in the structure of connecting the torsion beam axle to the rear floor side member, thus having an improved structural strength accomplishing desired durability.
- the present invention provides a rear suspension for vehicles, comprising: a rear floor side member; a trailing arm bracket connected to a torsion beam axle; and a locking unit mounting the trailing arm bracket to the rear floor side member while leaving a space between the trailing arm bracket and the rear floor side member.
- the present invention comprises a rear suspension for vehicles wherein the suspension is secured to a floor member of the vehicle.
- the suspension itself comprises a trailing arm bracket for connection to a torsion beam axle and a trailing arm mounting bracket supporting the trailing arm bracket.
- the mounting bracket is configured and dimensioned to be secured to the floor member and to define a space between the floor member and the trailing arm bracket.
- a spacer member is fixed to the mounting bracket and configured and dimensioned to extend through the space and also through a hole defined by the floor member and to be fixed to the floor member.
- Fastening means are provided to secure the trailing arm bracket to the mounting bracket.
- Fastening means may be bolts cooperating with the spacers, formed as pipe nuts, or other forms such as screws, rivets or a folded metal connection.
- the trailing arm mounting bracket defines a bent portion configured to define a lip that bears against the floor member to define the space.
- FIG. 1 is a schematic side view of a conventional rear suspension for vehicles
- FIG. 2 is a sectional view of the conventional rear suspension taken along the line II—II of FIG. 1;
- FIG. 3 is a schematic side view of a rear suspension for vehicles in accordance with a preferred embodiment of the present invention.
- FIG. 4 is a sectional view of the rear suspension taken along the line IV—IV of FIG. 3;
- FIGS. 5 and 6 are a plan view and a side view of a rear suspension of an embodiment of the invention, with a torsion beam axle assembled with a rear suspension;
- FIG. 7 is an exploded perspective view of the rear suspension of an embodiment of the invention, disassembled from the torsion beam axle.
- the torsion beam axle 3 (FIGS. 5 and 6) is connected to the rear floor side member 1 through the trailing arm bracket 5 .
- a locking unit connects the trailing arm bracket 5 to the rear floor side member 1 while leaving a space “S” between the rear floor side member 1 and the trailing arm bracket 5 , as shown in FIG. 4 .
- the locking unit comprises a trailing arm mounting bracket 7 , a plurality of pipe nuts 9 and a plurality of locking bolts 11 .
- the trailing arm mounting bracket 7 comes at its lower surface into surface contact with the trailing arm bracket 5 , and has a bent portion “A”, which defines the space “S” between the trailing arm mounting bracket 7 and the rear floor side member 1 .
- Each of the pipe nuts 9 has a tubular shape, and is welded at its lower end to the trailing arm mounting bracket 7 .
- Each pipe nut 9 also penetrates the rear floor side member 1 , and is welded to the side member 1 along its circumferential surface.
- the locking bolts 11 are threaded into the pipe nuts 9 upward in a direction from the trailing arm bracket 5 to the rear floor side member 1 .
- the space “S” is defined and maintained between the rear floor side member 1 and the trailing arm bracket 5 by the locking unit consisting of the trailing arm mounting bracket 7 , the pipe nuts 9 and the locking bolts 11 .
- the pipe nuts 9 are welded at their lower end surfaces to the trailing arm mounting bracket 7 , and are also welded along their circumferential surfaces to the rear floor side member 1 . Since the pipe nuts 9 are welded to both the trailing arm mounting bracket 7 and the rear floor side member 1 at several positions as described above, the rear suspension has an improved structural strength at junctions of the pipe nuts 9 , the trailing arm mounting bracket 7 and the rear floor side member 1 . In addition, due to the welded junctions, the rear suspension more effectively distributes load applied from the torsion beam axle 3 .
- a reinforcing plate 13 is added to the rear floor side member 1 at an area where the rear floor side member 1 is assembled with the trailing arm bracket 5 .
- the reinforcing plate 13 is welded to the rear floor side member 1 , and reinforces the junction area of the rear floor side member 1 and the pipe nuts 9 .
- the rear floor side member 1 When assembling the rear floor side member 1 with the trailing arm bracket 5 of this rear suspension, the rear floor side member 1 does not come into direct surface contact with the trailing arm bracket 5 , but is locked to the trailing arm bracket 5 while leaving a space “S” between them using the locking unit consisting of a plurality of members. Due to the members of the locking unit maintaining the space “S” between the rear floor side member 1 and the trailing arm bracket 5 , load applied from the torsion beam axle 3 to the rear suspension is uniformly distributed, and so the rear suspension has an improved durability.
- the pipe nuts 9 are welded at their lower portions to the trailing arm mounting bracket 7 and at their upper portions to the rear floor side member 1 , thus firmly maintaining the space “S” formed between the rear floor side member 1 and the trailing arm bracket 5 . Since load from the torsion beam axle 3 to the rear suspension is thus uniformly distributed by such pipe nuts 9 welded at several portions, the rear suspension does not easily crack at the welded junctions, different from a conventional rear suspension having a welded nut, which is welded at one position and easily cracks at a welded junction which is a stress concentration point.
- the present invention provides a rear suspension for vehicles, which is improved in the structure of connecting the torsion beam axle to the rear floor side member. That is, a pipe nut 9 mounts the trailing arm bracket 5 to the rear floor side member 1 while leaving a space “S” between the rear floor side member 1 and the trailing arm bracket 5 .
- the pipe nut 9 uniformly distributes load applied from the torsion beam axle 3 to the rear suspension, and so the rear suspension has an improved durability.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Body Structure For Vehicles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2001-25795 | 2001-05-11 | ||
KR10-2001-0025795A KR100423293B1 (ko) | 2001-05-11 | 2001-05-11 | 자동차의 리어서스펜션 |
Publications (2)
Publication Number | Publication Date |
---|---|
US20020167148A1 US20020167148A1 (en) | 2002-11-14 |
US6702309B2 true US6702309B2 (en) | 2004-03-09 |
Family
ID=19709355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/087,394 Expired - Fee Related US6702309B2 (en) | 2001-05-11 | 2002-03-01 | Rear suspension for vehicles |
Country Status (4)
Country | Link |
---|---|
US (1) | US6702309B2 (ja) |
JP (1) | JP3697541B2 (ja) |
KR (1) | KR100423293B1 (ja) |
DE (1) | DE10162552A1 (ja) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030160415A1 (en) * | 2002-02-22 | 2003-08-28 | Ki-Chang Kim | Rear suspension connecting part structure under the floor of a vehicle |
US20080048409A1 (en) * | 2006-08-28 | 2008-02-28 | Nobuyuki Takahashi | Structure mounting rear suspension |
US20080143071A1 (en) * | 2006-12-14 | 2008-06-19 | Ki Chang Kim | Mounting structure of a rear suspension cross member of a vehicle |
US20120056397A1 (en) * | 2010-09-02 | 2012-03-08 | Suzuki Motor Corporation | Trailing arm mounting structure |
US9969259B2 (en) | 2010-08-03 | 2018-05-15 | Polaris Industries Inc. | Side-by-side vehicle |
US9981519B2 (en) | 2015-01-29 | 2018-05-29 | Bombardier Recreational Products Inc. | Rear suspension assembly for an off-road vehicle |
US11584179B2 (en) | 2017-12-21 | 2023-02-21 | Polaris Industries Inc. | Rear suspension assembly for a vehicle |
US11827122B2 (en) | 2018-01-09 | 2023-11-28 | Polaris Industries Inc. | Vehicle seating arrangements |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100423293B1 (ko) * | 2001-05-11 | 2004-03-18 | 현대자동차주식회사 | 자동차의 리어서스펜션 |
KR100411490B1 (ko) * | 2001-06-07 | 2003-12-18 | 현대자동차주식회사 | 트레일링 암 고정부 |
DE102004058380A1 (de) * | 2004-12-03 | 2006-06-14 | Audi Ag | Hilfsrahmen für ein Kraftfahrzeug |
JP4301307B2 (ja) * | 2007-03-01 | 2009-07-22 | トヨタ自動車株式会社 | トーションビーム式サスペンション |
KR101042550B1 (ko) * | 2009-01-21 | 2011-06-20 | 서성창 | 세면대용 배수장치 |
JP5614544B2 (ja) * | 2011-05-20 | 2014-10-29 | 三菱自動車工業株式会社 | 電動車両の車体構造 |
JP5686038B2 (ja) * | 2011-05-20 | 2015-03-18 | 三菱自動車工業株式会社 | 車両の車体構造 |
KR102673455B1 (ko) | 2022-12-13 | 2024-06-07 | 김운섭 | 토션빔 타입 리어서스펜션 분해조립장치 |
CN117048265B (zh) * | 2023-10-11 | 2024-01-19 | 宁波可挺汽车零部件有限公司 | 一种后悬架拖拽臂安装结构 |
Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3704029A (en) | 1970-02-02 | 1972-11-28 | Peugeot | Rear wheel arrangement having trailing arms for an automobile vehicle |
US4531761A (en) | 1982-05-13 | 1985-07-30 | Dr. Ing. H.C.F. Porsche Aktiengesellschaft | Apparatus for vibration isolation attachment of subframe or aggregate holder |
US4632211A (en) | 1982-10-27 | 1986-12-30 | Automobiles Peugeot | Anti-tilt device for a motor-drive unit of a motor vehicle |
DE3641505A1 (de) * | 1985-12-09 | 1987-06-11 | Zaporozh Avtomobil | Radaufhaengung von fahrzeugen |
US4817973A (en) | 1986-08-22 | 1989-04-04 | Mazda Motor Corporation | Vehicle suspension assembly |
US4863214A (en) | 1988-11-17 | 1989-09-05 | Dana Corporation | Spacer tube matrix |
US5090502A (en) | 1989-12-29 | 1992-02-25 | Mazda Motor Corporation | Connecting structure for connecting a power unit of an automotive vehicle with the body of the vehicle |
US5116075A (en) | 1990-12-05 | 1992-05-26 | Lear Siegler Truck Products Corp. | Trailing arm suspension with wrapper compression axle mounting |
US5183286A (en) * | 1990-03-02 | 1993-02-02 | Suzuki Motor Corp. | Mounting structure for lower arm bracket |
US5203585A (en) | 1991-07-12 | 1993-04-20 | Neway Corp. | Split-beam suspension system |
US5385369A (en) | 1992-05-09 | 1995-01-31 | Mazda Motor Corporation | Vehicle having structure for fitting suspension to vehicle body |
US5669728A (en) | 1994-08-25 | 1997-09-23 | Toyota Jidosh Kabushiki Kaisha | Bracket for a strut of a vehicle suspension and connecting structure thereof to connect such a bracket and a shock absorber |
US5862877A (en) | 1994-12-20 | 1999-01-26 | Cosma International Inc. | Cradle assembly |
US5887843A (en) | 1996-08-15 | 1999-03-30 | Nissan Motor Co., Ltd. | Dynamic damper structure |
US6349953B1 (en) * | 1999-02-10 | 2002-02-26 | Nissan Motor Co., Ltd. | Structure of suspension mounting portion and assembling method thereof |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2893611B2 (ja) * | 1990-06-12 | 1999-05-24 | 日産自動車株式会社 | 自動車のサスペンション取付部構造 |
JP2907013B2 (ja) * | 1994-07-19 | 1999-06-21 | トヨタ車体株式会社 | フロントサスペンションメンバ取付構造 |
KR19980033460U (ko) * | 1996-12-07 | 1998-09-05 | 박병재 | 자동차의 리어 트레일링 아암의 고정브라켓 구조 |
JP3478146B2 (ja) * | 1998-11-19 | 2003-12-15 | 日産自動車株式会社 | サスペンション取付部構造 |
KR100423293B1 (ko) * | 2001-05-11 | 2004-03-18 | 현대자동차주식회사 | 자동차의 리어서스펜션 |
-
2001
- 2001-05-11 KR KR10-2001-0025795A patent/KR100423293B1/ko not_active IP Right Cessation
- 2001-12-12 JP JP2001379259A patent/JP3697541B2/ja not_active Expired - Fee Related
- 2001-12-19 DE DE10162552A patent/DE10162552A1/de not_active Ceased
-
2002
- 2002-03-01 US US10/087,394 patent/US6702309B2/en not_active Expired - Fee Related
Patent Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3704029A (en) | 1970-02-02 | 1972-11-28 | Peugeot | Rear wheel arrangement having trailing arms for an automobile vehicle |
US4531761A (en) | 1982-05-13 | 1985-07-30 | Dr. Ing. H.C.F. Porsche Aktiengesellschaft | Apparatus for vibration isolation attachment of subframe or aggregate holder |
US4632211A (en) | 1982-10-27 | 1986-12-30 | Automobiles Peugeot | Anti-tilt device for a motor-drive unit of a motor vehicle |
DE3641505A1 (de) * | 1985-12-09 | 1987-06-11 | Zaporozh Avtomobil | Radaufhaengung von fahrzeugen |
US4817973A (en) | 1986-08-22 | 1989-04-04 | Mazda Motor Corporation | Vehicle suspension assembly |
US4863214A (en) | 1988-11-17 | 1989-09-05 | Dana Corporation | Spacer tube matrix |
US5090502A (en) | 1989-12-29 | 1992-02-25 | Mazda Motor Corporation | Connecting structure for connecting a power unit of an automotive vehicle with the body of the vehicle |
US5183286A (en) * | 1990-03-02 | 1993-02-02 | Suzuki Motor Corp. | Mounting structure for lower arm bracket |
US5116075A (en) | 1990-12-05 | 1992-05-26 | Lear Siegler Truck Products Corp. | Trailing arm suspension with wrapper compression axle mounting |
US5203585A (en) | 1991-07-12 | 1993-04-20 | Neway Corp. | Split-beam suspension system |
US5385369A (en) | 1992-05-09 | 1995-01-31 | Mazda Motor Corporation | Vehicle having structure for fitting suspension to vehicle body |
US5669728A (en) | 1994-08-25 | 1997-09-23 | Toyota Jidosh Kabushiki Kaisha | Bracket for a strut of a vehicle suspension and connecting structure thereof to connect such a bracket and a shock absorber |
US5862877A (en) | 1994-12-20 | 1999-01-26 | Cosma International Inc. | Cradle assembly |
US5899498A (en) | 1994-12-20 | 1999-05-04 | Cosma International | Cradle assembly |
US5887843A (en) | 1996-08-15 | 1999-03-30 | Nissan Motor Co., Ltd. | Dynamic damper structure |
US6349953B1 (en) * | 1999-02-10 | 2002-02-26 | Nissan Motor Co., Ltd. | Structure of suspension mounting portion and assembling method thereof |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030160415A1 (en) * | 2002-02-22 | 2003-08-28 | Ki-Chang Kim | Rear suspension connecting part structure under the floor of a vehicle |
US6877754B2 (en) * | 2002-02-22 | 2005-04-12 | Hyundai Motor Company | Rear suspension connecting part structure under the floor of a vehicle |
US20080048409A1 (en) * | 2006-08-28 | 2008-02-28 | Nobuyuki Takahashi | Structure mounting rear suspension |
US7575243B2 (en) * | 2006-08-28 | 2009-08-18 | Nissan Technical Center North America, Inc. | Structure mounting rear suspension |
US20080143071A1 (en) * | 2006-12-14 | 2008-06-19 | Ki Chang Kim | Mounting structure of a rear suspension cross member of a vehicle |
US7637514B2 (en) * | 2006-12-14 | 2009-12-29 | Hyundai Motor Company | Mounting structure of a rear suspension cross member of a vehicle |
US9969259B2 (en) | 2010-08-03 | 2018-05-15 | Polaris Industries Inc. | Side-by-side vehicle |
US10369886B2 (en) | 2010-08-03 | 2019-08-06 | Polaris Industries Inc. | Side-by-side vehicle |
US10981448B2 (en) | 2010-08-03 | 2021-04-20 | Polaris Industries Inc. | Side-by-side vehicle |
US11390161B2 (en) | 2010-08-03 | 2022-07-19 | Polaris Industries Inc. | Side-by-side vehicle |
US11840142B2 (en) | 2010-08-03 | 2023-12-12 | Polaris Industries Inc. | Side-by-side vehicle |
US8590910B2 (en) * | 2010-09-02 | 2013-11-26 | Suzuki Motor Corporation | Trailing arm mounting structure |
US20120056397A1 (en) * | 2010-09-02 | 2012-03-08 | Suzuki Motor Corporation | Trailing arm mounting structure |
US9981519B2 (en) | 2015-01-29 | 2018-05-29 | Bombardier Recreational Products Inc. | Rear suspension assembly for an off-road vehicle |
US10668780B2 (en) | 2015-01-29 | 2020-06-02 | Bombardier Recreational Products Inc. | Rear suspension assembly for an off-road vehicle |
US10850582B2 (en) | 2015-01-29 | 2020-12-01 | Bombardier Recreational Products Inc. | Rear suspension assembly for an off-road vehicle |
US11241927B2 (en) | 2015-01-29 | 2022-02-08 | Bombardier Recreational Products Inc. | Rear suspension assembly for an off-road vehicle |
US11584179B2 (en) | 2017-12-21 | 2023-02-21 | Polaris Industries Inc. | Rear suspension assembly for a vehicle |
US11827122B2 (en) | 2018-01-09 | 2023-11-28 | Polaris Industries Inc. | Vehicle seating arrangements |
Also Published As
Publication number | Publication date |
---|---|
US20020167148A1 (en) | 2002-11-14 |
DE10162552A1 (de) | 2002-12-05 |
JP2002337526A (ja) | 2002-11-27 |
KR20020086084A (ko) | 2002-11-18 |
KR100423293B1 (ko) | 2004-03-18 |
JP3697541B2 (ja) | 2005-09-21 |
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Owner name: HYUNDAI MOTOR COMPANY, KOREA, REPUBLIC OF Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CHO, SUN-HYUNG;REEL/FRAME:012679/0041 Effective date: 20011210 |
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Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
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Effective date: 20160309 |